MCP Rust Docs Server

# MCP Docs.rs Server Feature Recommendations ## 2. Dependency Tree Visualization - **Dependencies**: Show all dependencies of a crate with version info - **Reverse Deps**: Display which crates depend on the current one - **Features**: Include version constraints and feature flags - **Use Case**: Understanding project dependencies and impact ## 3. Source Code Browsing - **Code Fetching**: Fetch and display source code for specific functions/types - **External Links**: Link to source on GitHub/GitLab when available - **Implementation**: Show implementation details alongside documentation - **Use Case**: Deep diving into how functions work ## 4. Examples and Usage Patterns - **Extract Examples**: Extract and display code examples from documentation - **Popular Usage**: Show common usage patterns from popular projects - **Working Examples**: Provide runnable examples for functions/methods - **Use Case**: Learning by example ## 5. Feature Flag Documentation - **List Features**: List all available feature flags for a crate - **Gated Items**: Show which items are behind specific features - **Dependencies**: Display feature dependencies and conflicts - **Use Case**: Understanding optional functionality ## 6. Version Comparison - **API Changes**: Compare API changes between versions - **Breaking Changes**: Highlight breaking changes with migration guides - **Changelog**: Integration with changelog/release notes - **Use Case**: Upgrading dependencies safely ## 7. Smart Caching Improvements - **Pre-fetching**: Pre-fetch commonly used crates - **Background Refresh**: Update stale cache entries automatically - **Compression**: Cache compression to store more data - **Export/Import**: Save cache for offline use - **Use Case**: Better performance and offline capability ## 8. Search Within Documentation - **Full-text Search**: Search across all cached documentation - **Type Signatures**: Search by type signatures or trait implementations - **Return Types**: Find all methods returning specific types - **Use Case**: Finding specific functionality ## 9. Type Relationship Explorer - **Trait Implementations**: Show all traits implemented by a type - **Type Hierarchy**: Display inheritance and type relationships - **Trait Implementors**: Find all types implementing a trait - **Use Case**: Understanding type system relationships ## 10. Documentation Quality Metrics - **Coverage**: Show documentation coverage percentage - **Missing Docs**: Highlight undocumented public APIs - **Quality Rating**: Rate docs by examples, clarity, completeness - **Use Case**: Improving documentation quality ## 11. Cross-Reference Navigator - **Related Items**: Link between related types and functions - **Usage Examples**: Show where items are used in examples - **Re-exports**: Navigate through re-exports and aliases - **Use Case**: Understanding code relationships ## 12. Batch Operations - **Multiple Crates**: Fetch docs for multiple crates at once - **Export Formats**: Export to markdown/HTML/PDF - **Summaries**: Generate documentation summaries - **Use Case**: Documentation generation for projects ## 13. Platform-Specific Documentation - **Platform Filter**: Filter docs by target platform - **Platform Implementations**: Show platform-specific code - **Compatibility**: Highlight platform compatibility issues - **Use Case**: Cross-platform development ## 14. Integration with Rust Analyzer - **Hover Docs**: Provide hover documentation in IDEs - **Quick Fixes**: Suggestions based on documentation - **Auto-imports**: Import suggestions with context - **Use Case**: Better IDE integration ## 15. Performance Profiling Hints - **Performance Info**: Show performance characteristics - **Important Attributes**: Highlight `#[must_use]` and others - **Complexity**: Display complexity annotations (O(n), etc.) - **Use Case**: Writing performant code ## Implementation Priority 1. **High Priority**: Fuzzy Search, Source Code Browsing, Examples 2. **Medium Priority**: Dependencies, Version Comparison, Feature Flags 3. **Low Priority**: Platform-specific, Performance hints, Quality metrics